Read Sharp R-465 (serv.man3) Service Manual online
R-465(SL)
12
TEST PROCEDURES
PROCEDURE
LETTER
COMPONENT TEST
STEPS
OCCURRENCE
CAUSE OR CORRECTION
The rated AC voltage is not present between
1
the normal open terminal of the relay RY1 and
Check supply voltage and oven power cord.
the normal open terminal of the relay RY2.
2
The rated AC voltage is present to primary
Low voltage transformer or secondary circuit defective.
side of low voltage transformer.
Check and repair.
3
Only pattern at "a" is broken.
*Insert jumper wire J1 and solder.
4
Pattern at "a" and "b" are broken.
*Insert the coil RCILF2003YAZZ between "c" and "d".
NOTE: *At the time of making these repairs,
make a visual inspection of the varistor.
Check for burned damage and exam-
ine the transformer with a tester for the
presence of layer short-circuit (check
the primary coil resistance). If any ab-
normal condition is detected, replace
the defective parts.
Check for burned damage and exam-
ine the transformer with a tester for the
presence of layer short-circuit (check
the primary coil resistance). If any ab-
normal condition is detected, replace
the defective parts.
CARRY OUT 4R CHECKS.
CN - A
a
d
c
b
(J1)
P
1
RY1
RY2
T1
VRS1
1
2
